Automatic tracking process of the joint bevel for the butt weldi

Details Automatic tracking process of the joint bevel for the butt weldi Automatic tracking process of the joint bevel for the butt weldi

1998-06-01

2000-09-26

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912512, B23K 9127

Patent

active

061245666

ABSTRACT:
A process for automatically tracking a joint bevel during butt welding of coaxial pipes includes the steps of observing electrical parameter values relating to the voltage, current and voltaic arc impedance and comparing these values with preset sample values stored in a governing unit. The governing unit controls a driving source for the orientation of the welding torch in the joint bevel.

REFERENCES:
patent: 4151395 (1979-04-01), Kushner et al.
patent: 4350868 (1982-09-01), Takagi et al.
patent: 4380695 (1983-04-01), Nelson
patent: 4417126 (1983-11-01), Kasahara et al.
patent: 4495400 (1985-01-01), Thompson

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